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Numerical and experimental analysis of microstructure formation during stainless steels solidification

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Abstract

The aim of this work is to examine microstructure formation during the solidification of unidirectional solidified AISI 304 stainless steel. Numerical and experimental results indicate that this numerical model allows a precise analysis of the AISI 304 stainless steel microstructure formation. This model determines temperature profiles, position of liquid and solid isotherms, thermal parameters (thermal gradients, tip rate movement, rate cooling), and finally, the secondary inter dendritic spacing. This model was tested by comparing the experimental values results, and thus a reasonable correlation was found.

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Acknowledgements

The authors would like to acknowledge financial support provided by FAPESP (The Scientific Research Foundation of the State of São Paulo, Brazil) Proc. 02/02060-6.

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Authors and Affiliations

  1. Programa de Pós-graduação em Engenharia e Ciência dos Materia is, Universidade São Francisco (USF), Rua Alexandre de Rodrigues Barbosa, 45, 13251-900, Itatiba, SP, Brazil

    M. L. N. Melo, Carlos Lima Penhalber & Nilton Alves Pereira

  2. Departamento de Engenharia de Materiais, Faculdade de Engenharia Mecânica, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil

    Carmo Lima Pelliciari Jr.

  3. Departamento de Engenharia Mecânica e Mecatrônica, Faculdade de Engenharia, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil

    Carlos A. Santos

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  1. M. L. N. Melo
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  2. Carlos Lima Penhalber
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  3. Nilton Alves Pereira
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  4. Carmo Lima Pelliciari Jr.
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Correspondence to M. L. N. Melo.

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Melo, M.L.N., Penhalber, C.L., Pereira, N.A. et al. Numerical and experimental analysis of microstructure formation during stainless steels solidification. J Mater Sci 42, 2267–2275 (2007). https://doi.org/10.1007/s10853-006-0827-8

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  • DOI: https://doi.org/10.1007/s10853-006-0827-8

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